| 1. | Ultrasonic motors are a new kind of solid actuators that come into being since 1980 ’ s , which use inverse piezoelectric effect of pzt to excite stator ’ s elliptical vibration and produce driving power by frictional coupling
超声波马达是上世纪80年代开始发展起来的一种新型驱动器,它是利用压电陶瓷的逆压电效应激励出定子表面质点的椭圆轨迹振动,依靠摩擦耦合来实现驱动。 |
